From Computer History Wiki
SysVR4 on i386
|Creator:||AT&T, et al.|
Unix System V release 4 was a release of the Unix SysV line and including technologies from multiple companies, being a joint project of AT&T USL and Sun Microsystems. It was licensed into many versions such as AMIX, and A/UX. It was released on x86 in multiple varieties. It was the most successful Unix System V version.
How do I get this to run?!
The x86 variants will run on most x86 virtualization software and emulators.